Throughout the annals of history, the best of intentions--and sometimes the worst--have set in motion events with a vastly different outcome than originally intended. In this entertaining, fact-filled chronicle, William Forstchen and Bill Fawcett explore the watersheds of history that began as the best of ideas and ended as the worst of fiascoes.A Holy War--The Medieval Crusades for religious liberation become centuries of slaughter and destruction.Sibling Rivalry--Leif Erikson spares his sister's life and delays the discovery of the New World for five hundred years.Big Guns--Emperor Constantine XI refuses to buy a new supercannon that would let him dominate his enemies, so its creator sells the cannon to the Turks, who then crush Constantinople.With casual wit and subtle insight, It Seemed Like a Good Idea...tucks tongue in cheek and rides out the fiascoes of history.